Question

Multiply (2.0 ⋅ 10−4) ⋅ (3.1 ⋅ 10−20)

Answer 1

Answer 6.2.1024 hope that helps

Answer 2

Answer: 6.2 ⋅ 1024

(2.0×10^-4)×(3.1×10^-20)

=(2.0×3.1)×(10^4×10^-20)

=6.2×10^(-4+(-20))

=6.2×10^-24. Hope it help!